Session: Nutrient cycling and ecosystem function in aquatic systems (ESA/SER Joint Meeting (August 5 -- August 10, 2007))

1:30 PM

COS 15-1

Competition in freshwater macroinvertebrates and the effect on ecosystem functioning
Pia Hertonsson, Lund University; Kajsa Abjornsson, Lund University; Christer Bronmark, Lund University

1:50 PM

COS 15-2

Impact of channel geometry and periphyton growth on nutrient uptake and location of biogeochemical hotspots: Insights from a field-scale flume
Cailin Huyck Orr, Washington State University; Jeffery J. Clark, Lawrence University; Jacques C. Finlay, University of Minnesota; Peter R. Wilcock, Johns Hopkins University

2:10 PM

COS 15-3

Is excretion by grazing caddisflies a source of nutrients to N-limited streams?
Camille McNeely, Eastern Washington University; Jim M. Hood, University of Minnesota; John D. Schade, National Science Foundation

2:30 PM

COS 15-4

A comparison of benthic secondary producer communities and production rates among lake types
Katrina June Butkas, University of Wisconsin; M. Jake Vander Zanden, University of Wisconsin-Madison; Yvonne Vadeboncoeur, Wright State University

2:50 PM

COS 15-5

Biogeochemical consequences of North Carolina’s largest wetland mitigation project
Marcelo Ardon, East Carolina University; Emily Bernhardt, Duke University; Jennifer L. Morse, Portland State University; Martin W. Doyle, Duke University

3:10 PM

COS 15-

Break

3:20 PM

COS 15-6

Restoration as experimental manipulation: Is channel structure or watershed condition more important in predicting ecosystem function in urban streams?
Elizabeth B. Sudduth, Duke University; Brooke A. Hassett, Duke University; Emily Bernhardt, Duke University; Peter Cada, Duke University; Christy R. Violin, University of North Carolina

3:40 PM

COS 15-7

Retention of riverine nutrient and sediment loads by floodplains in the Chesapeake Bay watershed
Gregory B. Noe, U. S. Geological Survey; Cliff Hupp, U. S. Geological Survey

4:00 PM

COS 15-8

The distribution and function of biogeochemical interfaces, gradients, and fluxes in a coastal spring-fed riverine and estuarine system
Thomas J. Saunders, University of Florida; Mary E. Collins, University of Florida; Thomas K. Frazer, University of Florida; G. Wade Hurt, University of Florida

4:20 PM

COS 15-9

Linking watershed and reach-scale controls of dissolved and particulate nutrients in a stream network
Jacques C. Finlay, University of Minnesota; Maria Lynn Goodrich, University of California, Berkeley; James Hood, University of Minnesota; Camille McNeely, Eastern Washington University; John D. Schade, National Science Foundation; Jill R. Welter, St. Catherine University

4:40 PM

COS 15-10

Do tropical forest streams function like their temperate counterparts? Insights from litter decomposition
Mark O. Gessner, Eawag; Manuela Abelho, Instituto Politécnico de Coimbra; Claudia Cressa, Universidad Central de Venezuela; Anja L. Schmitt, University of Kiel; Manuel A. S. Graca, Universidade de Coimbra; Corabel Barrios, Universidad Central de Venezuela; Kirsten A. Callies, Max-Planck Institut fur Limnologie

COS 15 - Nutrient cycling and ecosystem function in aquatic systems